Home / 21,175,115.25-31,749,859.47-9,501,346.65

Finding the Fourth Proportional to 21,175,115.25, 31,749,859.47 and 9,501,346.65

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Solution

The fourth proportional to 21,175,115.25, 31,749,859.47 and 9,501,346.65 is: 14,246,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,175,115.25 : 31,749,859.47 = 9,501,346.65 : x
  2. Step 2: Convert to fraction form
    21,175,115.25/31,749,859.47 = 9,501,346.65/x
  3. Step 3: Cross multiply
    21,175,115.25x = 31,749,859.47 × 9,501,346.65
  4. Step 4: Simplify right side
    21,175,115.25x = 301,666,420,913,255.25
  5. Step 5: Solve for x
    x = 301,666,420,913,255.25/21,175,115.25
  6. Step 6: Final answer
    x = 14,246,270.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.